SOLUTION: in triangle abc; ab is congruent to bc, if the measure of angle a is 45, what is the measure of angle b. expain how you go it please and thankyou.

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Question 387888: in triangle abc; ab is congruent to bc, if the measure of angle a is 45, what is the measure of angle b. expain how you go it please and thankyou.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
It is an isosceles triangle.
Since angle a is 45 deg then angle c is also 45 deg then angle b must be 180-45-45=90 deg
.
Ed